Intel DH67BL Product Specification - Page 61
Reliability, Environmental
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Technical Reference 2.7 Reliability The Mean Time Between Failures (MTBF) prediction is calculated using component and subassembly random failure rates. The calculation is based on the Telcordia SR-332, Method I Case 1 50% electrical stress, 55 ºC ambient. The MTBF prediction is used to estimate repair rates and spare parts requirements. The MTBF data is calculated from predicted data at 55 ºC. The MTBF for the Intel Desktop Board DH67GD is 230,706 hours and the MTBF for the Intel Desktop Board DH67BL is 240,433 hours. 2.8 Environmental Table 38 lists the environmental specifications for the board. Table 38. Environmental Specifications Parameter Temperature Non-Operating Operating Shock Unpackaged Packaged Vibration Unpackaged Packaged Specification -20 °C to +70 °C 0 °C to +55 °C 50 g trapezoidal waveform Velocity change of 170 inches/s² Half sine 2 millisecond Product Weight (pounds) Free Fall (inches)